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?>
<div id="class.override" class="reference">
 <h1 class="title">La classe Override</h1>
 

 <div class="partintro"><p class="verinfo">(PHP 8 &gt;= 8.3.0)</p>

  <div class="section" id="override.intro">
   <h2 class="title">Introduction</h2>
   <p class="simpara">
    Cet attribut est utilisé pour indiquer qu&#039;une méthode ou propriété est destinée
    à surcharger une méthode ou propriété d&#039;une classe parente ou qu&#039;elle implémente
    une méthode ou propriété définie dans une interface.
   </p>
   <p class="simpara">
    Si aucune méthode ou propriété portant le même nom n&#039;existe dans une classe parente
    ou dans une interface implémentée, une erreur de compilation sera émise.
   </p>
   <p class="simpara">
    L&#039;attribut ne peut pas être utilisé sur la méthode
    <a href="language.oop5.decon.php#object.construct" class="link">__construct()</a>,
    car elle est exclue des vérifications de signature.
   </p>
  </div>

  <div class="section" id="override.synopsis">
   <h2 class="title">Synopsis de la classe</h2>

   <div class="classsynopsis"><div class="classsynopsisinfo">
    
     <span class="attribute"><a href="class.attribute.php">#[\Attribute]</a> </span><br>
     <span class="modifier">final</span>
     <span class="modifier">class</span> <strong class="classname"><strong class="classname">Override</strong></strong>
     {</div>

    <div class="classsynopsisinfo classsynopsisinfo_comment">/* Méthodes */</div>
    <div class="constructorsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><a href="override.construct.php" class="methodname">__construct</a></span>()</div>

   }</div>

  </div>

  <div class="section">
   <h2 class="title">Historique</h2>
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>Version</th>
       <th>Description</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>8.5.0</td>
       <td>
        <span class="classname"><strong class="classname">Override</strong></span> peut désormais être appliqué aux propriétés.
       </td>
      </tr>

     </tbody>
    
   </table>

  </div>

  <div class="section">
   <h2 class="title">Exemples</h2>
   <div class="example" id="example-1">
    <p><strong>Exemple #1 Usage avec les méthodes</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">class </span><span style="color: #0000BB">Base </span><span style="color: #007700">{<br />    protected function </span><span style="color: #0000BB">foo</span><span style="color: #007700">(): </span><span style="color: #0000BB">void </span><span style="color: #007700">{}<br />}<br /><br />final class </span><span style="color: #0000BB">Extended </span><span style="color: #007700">extends </span><span style="color: #0000BB">Base </span><span style="color: #007700">{<br />    #[</span><span style="color: #0000BB">\Override</span><span style="color: #007700">]<br />    protected function </span><span style="color: #0000BB">boo</span><span style="color: #007700">(): </span><span style="color: #0000BB">void </span><span style="color: #007700">{}<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>Résultat de l&#039;exemple ci-dessus en PHP 8.3 est similaire à :</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
Fatal error: Extended::boo() has #[\Override] attribute, but no matching parent method exists
</pre></div>
    </div>
   </div>
   <div class="example" id="example-2">
    <p><strong>Exemple #2 Usage avec les propriétés</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">class </span><span style="color: #0000BB">Base </span><span style="color: #007700">{<br />    protected </span><span style="color: #0000BB">string $foo</span><span style="color: #007700">;<br />}<br /><br />final class </span><span style="color: #0000BB">Extended </span><span style="color: #007700">extends </span><span style="color: #0000BB">Base </span><span style="color: #007700">{<br />    #[</span><span style="color: #0000BB">\Override</span><span style="color: #007700">]<br />    protected </span><span style="color: #0000BB">string $boo</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>La sortie de l&#039;exemple ci-dessus en PHP 8.5 est similaire à :</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
Fatal error: Extended::$boo has #[\Override] attribute, but no matching parent property exists
</pre></div>
    </div>
   </div>
  </div>

  <div class="section" id="override.seealso">
   <h2 class="title">Voir aussi</h2>
   <ul class="simplelist">
    <li><a href="language.attributes.php" class="link">Présentation des attributs</a></li>
   </ul>
  </div>

 </div>

 






<h2>Sommaire</h2><ul class="chunklist chunklist_reference"><li><a href="override.construct.php">Override::__construct</a> — Construit une nouvelle instance de l'attribut Override</li></ul>
</div>
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